Dr. G A S Pramakumara
Dept. of Basic Science and Social Sciences for Nursing - Faculty of Nursing
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Journal Paper
Publication Types:
All types ( 319 )
Abstracts/Communications ( 19 )
Book Chapters ( 3 )
Conference paper presentations / workshop attended ( 193 )
Journal Paper ( 72 )
Plenary lectures & Country papers ( 20 )
Publications ( 6 )
Refereed Journal articles ( 4 )
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Studies on the sedative activity of crude extract of root bark of Rauwolfia canescens on rats.
Journal Paper
Madawala, P.G., Arambewela, L.S.R., Premakumara G.A.S. and Ratnasooriya, W.D
Publication year: 1994
Post-coital contraceptive activity of crude extracts of Sri Lankan marine red algae
Journal Paper
Ratnasooriya, W.D., Premakumara, G.A.S., and Tillekeratne, L.M.V
Publication year: 1994
Oxytocin suppresses motility of human spermatozoa in vitro
Journal Paper
Ratnasooriya, W.D. and Premakumara, G.A.S
Publication year: 1993
The effect of some natural quinonemethide and 14(15)-ene-quinone-methide nortriterpenoides on motility of human spermatozoa in vitro.
Journal Paper
Premakumara, G.A.S., Ratnasooriya, W.D., Balasubramanium, S., Dhanabalasingham, B., Fernando, H.C., Dias, M.N., Karunaratne, V. and Gunatilaka, A.A.L.
Publication year: 1992
Exploratory behavior of male rats treated with a crude extract of Ficus tsijela leaves
Journal Paper
Ratnasooriya, W.D, Premakumara, G.A.S. and Tillekeratne, L.M.V
Publication year: 1992
Effects of the prostanoid receptor antagonist, Di-4-phloretin phosphate, upon human sperm motility
Journal Paper
Ratnasooriya, W.D. and Premakumara, G.A.S.
Publication year: 1992
Antihypertensive properties of crude extract of Gracilaria sp
Journal Paper
Ratnasooriya, W.D., Premakumara, G.A.S. and Tillekeratne, L.M.V
Publication year: 1992
Sperm antimotility properties of seed exract of Abrus precatorius.
Journal Paper
Ratnasooriya, W.D., Amarasekare, A.S., Perera, N.S.D. and Premakumara, G.A.S
Publication year: 1991
Impairment of sperm motility with root extract of Ipomea marutiana
Journal Paper
Ratnasooriya, W.D., Amarasekare, A.S., Aberatne, V.D.K. and Premakumara G.A.S
Publication year: 1991
Gastroprotective activity of crude extract of Jania sp.
Journal Paper
Ratnasooriya, W.D., Premakumara G.A.S. and Tillekeratne, L.M.V
Publication year: 1990
Antimotility effect of Piper betle (L) leaf extract on washed human spermatozoa.
Journal Paper
Ratnasooriya, W.D., Jayawardana, K.G.G. and Premakumara, G.A.S
Publication year: 1990
Inhibitory effect of D-glucose diethyldithioacetal on washed human spermatozoa
Journal Paper
Ratnasooriya, W.D., Munasinghe, V.R.N. and Premakumara G.A.S
Publication year: 1988
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